SINCE 1828
bagworm
noun
bag·worm
| \ ˈbag-ˌwərm
\
\
Definition of bagworm
: any of a family (Psychidae) of moths with wingless females and plant-feeding larvae that live in a silk case covered with plant debris
especially
: one (Thyridopteryx ephemeraeformis) often destructive to deciduous and evergreen trees of the eastern U.S.
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